How to Check Air Pressure in a Tire in a Chevy Cobalt


Your Chevy Cobalt's tires are indeed "where the rubber hits the road." That's why you need to make sure that your tires are inflated to the proper pressure. If the tires on your Chevy Cobalt are inflated properly, you'll get the best gas mileage and optimal handling.

Things You'll Need

  • Tire gauge
  • Obtain a tire pressure gauge. You have several choices to make to figure out which is the best kind for you. Decide between the kinds with dial readouts or pressure sticks. If you want to take advantage of modern technology, you can buy one that simply reads you the pressure.

  • Wait for your tires to cool and return to their natural pressure. Driving around or leaving your car in the sun and heat will make the air inside your tires expand, distorting the pressure reading.

  • Unscrew the caps from your tires' valve stems. In case you've never done this before, you should know that these manage to disappear easily. Put them in a safe place like your pocket.

  • Connect your tire pressure gauge to each valve stem one at a time. There's an easy way to make sure you're doing it right. If you hear hissing, this means that air is escaping and the gauge is not properly attached. Push hard enough and at the right angle. Don't rely on your memory. Make a note of each tire's pressure.

  • Double-check to ensure that your tires are filled to the manufacturer's recommended pressure. Your 2008 Chevy Cobalt LS comes with tires rated at P195/60R15 87S. The "P" means that the tire is intended for passenger car use. The "195" is the width of the tire in millimeters. The "87S" means that each tire will be able to support 1,279 lbs. or 580kg. Knowing these limits is important so you can observe proper weight distribution. Exceeding the proper weight limits of your tires can reduce performance and even cause failure.

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